<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            width: 200px;
            height: 200px;
            /* border-width 边框的粗细  一般情况下都用 px */
            border-width: 5px;
            /* border-style 边框的样式  solid 实线边框   dashed 虚线边框  dotted 点线边框*/
            /* border-style: dotted; */
            border-style: solid;
            border-color: pink;
        }
        .container {
            width: 200px;
            height: 100px;
            border: 5px solid pink;
            /* 层叠性 只是层叠了 上边框啊 */
            border-bottom: 10px dashed purple;
        }
    </style>
</head>
<body>
    <div></div>
    <div class="container"></div>
</body>
</html>